diff --git a/.gitmodules b/.gitmodules
index 98d4f68d647afa6ae43250cc96b29021c2c1d6f5..3ae2db64662a64f7d4710f0a259b5486791b94c8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "libdap-stream"]
 	path = libdap-stream
 	url = https://github.com/demlabsinc/libdap-stream.git
+[submodule "libdap-stream-ch-vpn"]
+	path = libdap-stream-ch-vpn
+	url = https://github.com/demlabsinc/libdap-stream-ch-vpn.git